There has never been an x86 manufacturer of AMD's caliber running on a fabless model.
AMD is not an x86 manufacturer. They are an x86 designer who needs to use a foundry with a process designed by a committee. They will rely on not terribly friendly external production teams who are already supporting multiple other products. If they choose to use multiple foundries they will have multiple processes using multiple tools, models, libraries etc supported by multiple competing production teams. Their products will underperform their potential because of the generic process, not their design deficiencies. If one fab has a problem they will be on their own with nobody to support them. Production running at one foundry can not be diverted to another foundry in a crisis. If it's designed for foundry A it's stuck there.
An integrated design/manufacturing house works as a team. The design and process are developed for each other, not in spite of each other. They can be adapted to the product's needs to enhance yield or performance. There are dedicated teams to support each product. All fabs run an identical process and any fab seeing issues has the support of the entire organization. You think GloFlo is going to help TSMC solve their yield problems? Any product can run at any fab. They are not competitors, they are team members.
If you think for some reason that AMD is somehow comparable to Transmeta, etc., well, I just... disagree.
Of course you disagree. You know nothing about this business and you believe AMD's PP slides. Had you been following AMD for 20+ years you'd learn to put AMD's promises in their proper perspective.
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